IconMenuPresenter.java revision 696cba573e651b0e4f18a4718627c8ccecb3bda0
1696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell/* 2696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * Copyright (C) 2011 The Android Open Source Project 3696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 4696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * Licensed under the Apache License, Version 2.0 (the "License"); 5696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * you may not use this file except in compliance with the License. 6696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * You may obtain a copy of the License at 7696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 8696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * http://www.apache.org/licenses/LICENSE-2.0 9696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * 10696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * Unless required by applicable law or agreed to in writing, software 11696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * distributed under the License is distributed on an "AS IS" BASIS, 12696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * See the License for the specific language governing permissions and 14696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * limitations under the License. 15696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell */ 16696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellpackage com.android.internal.view.menu; 17696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 18696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport com.android.internal.view.menu.MenuView.ItemView; 19696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 20696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.content.Context; 21696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.os.Bundle; 22696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.os.Parcelable; 23696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.util.SparseArray; 24696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.view.ContextThemeWrapper; 25696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.view.LayoutInflater; 26696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.view.View; 27696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport android.view.ViewGroup; 28696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 29696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellimport java.util.ArrayList; 30696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 31696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell/** 32696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell * MenuPresenter for the classic "six-pack" icon menu. 33696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell */ 34696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powellpublic class IconMenuPresenter extends BaseMenuPresenter { 35696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell private IconMenuItemView mMoreView; 36696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell private int mMaxItems = -1; 37696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 38696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell private static final String VIEWS_TAG = "android:menu:icon"; 39696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 40696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public IconMenuPresenter() { 41696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell super(com.android.internal.R.layout.icon_menu_layout, 42696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell com.android.internal.R.layout.icon_menu_item_layout); 43696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 44696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 45696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 46696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public void initForMenu(Context context, MenuBuilder menu) { 47696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mContext = new ContextThemeWrapper(context, com.android.internal.R.style.Theme_IconMenu); 48696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mInflater = LayoutInflater.from(mContext); 49696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mMenu = menu; 50696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mMaxItems = -1; 51696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 52696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 53696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 54696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public void bindItemView(MenuItemImpl item, ItemView itemView) { 55696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final IconMenuItemView view = (IconMenuItemView) itemView; 56696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell view.setItemData(item); 57696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 58696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell view.initialize(item.getTitleForItemView(view), item.getIcon()); 59696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 60696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell view.setVisibility(item.isVisible() ? View.VISIBLE : View.GONE); 61696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell view.setEnabled(view.isEnabled()); 62696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell view.setLayoutParams(view.getTextAppropriateLayoutParams()); 63696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 64696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 65696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 66696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public boolean shouldIncludeItem(int childIndex, MenuItemImpl item) { 67696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final ArrayList<MenuItemImpl> itemsToShow = mMenu.getNonActionItems(); 68696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell boolean fits = (itemsToShow.size() == mMaxItems && childIndex < mMaxItems) || 69696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell childIndex < mMaxItems - 1; 70696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return fits && !item.isActionButton(); 71696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 72696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 73696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 74696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell protected void addItemView(View itemView, int childIndex) { 75696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final IconMenuItemView v = (IconMenuItemView) itemView; 76696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final IconMenuView parent = (IconMenuView) mMenuView; 77696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 78696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell v.setIconMenuView(parent); 79696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell v.setItemInvoker(parent); 80696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell v.setBackgroundDrawable(parent.getItemBackgroundDrawable()); 81696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell super.addItemView(itemView, childIndex); 82696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 83696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 84696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 85696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public boolean onSubMenuSelected(SubMenuBuilder subMenu) { 86696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (!subMenu.hasVisibleItems()) return false; 87696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 88696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell // The window manager will give us a token. 89696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell new MenuDialogHelper(subMenu).show(null); 90696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell super.onSubMenuSelected(subMenu); 91696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return true; 92696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 93696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 94696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 95696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public void updateMenuView(boolean cleared) { 96696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final IconMenuView menuView = (IconMenuView) mMenuView; 97696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (mMaxItems < 0) mMaxItems = menuView.getMaxItems(); 98696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final ArrayList<MenuItemImpl> itemsToShow = mMenu.getNonActionItems(); 99696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell final boolean needsMore = itemsToShow.size() > mMaxItems; 100696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell super.updateMenuView(cleared); 101696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 102696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (needsMore && (mMoreView == null || mMoreView.getParent() != menuView)) { 103696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (mMoreView == null) { 104696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mMoreView = menuView.createMoreItemView(); 105696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell mMoreView.setBackgroundDrawable(menuView.getItemBackgroundDrawable()); 106696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 107696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell menuView.addView(mMoreView); 108696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } else if (!needsMore && mMoreView != null) { 109696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell menuView.removeView(mMoreView); 110696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 111696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 112696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell menuView.setNumActualItemsShown(needsMore ? mMaxItems - 1 : itemsToShow.size()); 113696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 114696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 115696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell @Override 116696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell protected boolean filterLeftoverView(ViewGroup parent, int childIndex) { 117696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (parent.getChildAt(childIndex) != mMoreView) { 118696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return super.filterLeftoverView(parent, childIndex); 119696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 120696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return false; 121696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 122696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 123696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public int getNumActualItemsShown() { 124696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell return ((IconMenuView) mMenuView).getNumActualItemsShown(); 125696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 126696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 127696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public void saveHierarchyState(Bundle outState) { 128696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell SparseArray<Parcelable> viewStates = new SparseArray<Parcelable>(); 129696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (mMenuView != null) { 130696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell ((View) mMenuView).saveHierarchyState(viewStates); 131696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 132696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell outState.putSparseParcelableArray(VIEWS_TAG, viewStates); 133696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 134696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell 135696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell public void restoreHierarchyState(Bundle inState) { 136696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell SparseArray<Parcelable> viewStates = inState.getSparseParcelableArray(VIEWS_TAG); 137696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell if (viewStates != null) { 138696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell ((View) mMenuView).restoreHierarchyState(viewStates); 139696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 140696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell } 141696cba573e651b0e4f18a4718627c8ccecb3bda0Adam Powell} 142